﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.ServiceModel;

namespace XyzServices
{
    [ServiceContract]
    public interface ICalculationService
    {
        [OperationContract]
        CalculationDTO Add(int a, int b);
        [OperationContract]
        int Multiply(int a, int b);
    }
}
